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Synthesis of a 1,4-benzodiazepine containing palladacycle with in vitro anticancer and cathepsin B activity

journal contribution
posted on 2023-06-08, 12:32 authored by John SpencerJohn Spencer, Rajendra P Rathnam, Mahesh Motukuri, Arun K Kotha, Simon C W Richardson, Ali Hazrati, John A Hartley, Louise Male, Michael B Hursthouse
The reaction of the five-membered C,N-palladacycle [(L)PdCl](2), where LH = 1-methyl-5-phenyl-1H-1,4-benzodiazepin-2(3H)-one, with 1,2-ethanebis(diphenylphosphine), dppe, leads to the formation of the bridged palladacycle. [Pd(2)L(2)(mu-dppe)Cl(2)] 3, which was characterised in solution by (1)H and (31)P NMR spectroscopy and in the solid state by X-ray crystallography. Complex 3 was tested in vitro against a number of cell lines. For example, it inhibited K562 leukaemia cells with an IC(50) value of 4.3 microM (1 h exposure) and displayed cathepsin B inhibitory action with an IC(50) value of 3 microM.

History

Publication status

  • Published

Journal

Dalton Transactions

ISSN

1477-9226

Publisher

Royal Society of Chemistry

Issue

22

Volume

38

Page range

4299-4303

Department affiliated with

  • Chemistry Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-10-22

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